13222555012 has 24 divisors (see below), whose sum is σ = 24365880000. Its totient is φ = 6261119136.

The previous prime is 13222554931. The next prime is 13222555033. The reversal of 13222555012 is 21055522231.

It is a super-2 number, since 2×13222555012² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198918 + ... + 256930.

It is an arithmetic number, because the mean of its divisors is an integer number (1015245000).

Almost surely, 2^13222555012 is an apocalyptic number.

It is an amenable number.

13222555012 is a deficient number, since it is larger than the sum of its proper divisors (11143324988).

13222555012 is a wasteful number, since it uses less digits than its factorization.

13222555012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61035 (or 61033 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The spelling of 13222555012 in words is "thirteen billion, two hundred twenty-two million, five hundred fifty-five thousand, twelve".